X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fpolyominoes.c;h=c89fb31f4c42c5d8be190299204f4e288de26bda;hb=4361b69d3178d7fc98d0388f9a223af6c2651aba;hp=69c7b2590e9e49f55de42367972f8941e5422349;hpb=c1b9b55ad8d59dc05ef55e316aebf5863e7dfa56;p=xscreensaver

diff --git a/hacks/polyominoes.c b/hacks/polyominoes.c
index 69c7b259..c89fb31f 100644
--- a/hacks/polyominoes.c
+++ b/hacks/polyominoes.c
@@ -39,7 +39,7 @@ static const char sccsid[] = "@(#)polyominoes.c 5.01 2000/12/18 xlockmore";
 					"*ncolors: 64 \n" \
 					"*fpsSolid: true \n" \
 
-# define reshape_polyominoes 0
+# define release_polyominoes 0
 # define polyominoes_handle_event 0
 # define SMOOTH_COLORS
 # include "xlockmore.h"		/* in xscreensaver distribution */
@@ -55,6 +55,9 @@ static const char sccsid[] = "@(#)polyominoes.c 5.01 2000/12/18 xlockmore";
 static Bool identical;
 static Bool plain;
 
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
 static XrmOptionDescRec opts[] =
 {
   {"-identical", ".polyominoes.identical", XrmoptionNoArg, "on"},
@@ -79,7 +82,7 @@ ENTRYPOINT ModeSpecOpt polyominoes_opts =
 
 #ifdef USE_MODULES
 ModStruct   polyominoes_description = {
-  "polyominoes", "init_polyominoes", "draw_polyominoes", "release_polyominoes",
+  "polyominoes", "init_polyominoes", "draw_polyominoes", (char *) NULL,
   "refresh_polyominoes", "init_polyominoes", (char *) NULL, &polyominoes_opts,
   6000, 1, 8192, 1, 64, 1.0, "",
   "Shows attempts to place polyominoes into a rectangle", 0, NULL
@@ -511,7 +514,7 @@ static int
 score_point(polyominoesstruct *sp, int x, int y, int min_score_so_far)
 {
   int poly_no, point_no, transform_index, i, attachable;
-  point_type attach_point, target_point;
+  point_type attach_point = { 0, 0 }, target_point = { 0, 0 };
   int score = 0;
 
   if (x>=1 && x<sp->width-1 && y>=1 && y<sp->height-1 &&
@@ -584,7 +587,7 @@ static
 void detach(polyominoesstruct *sp, int *poly_no, int *point_no, int *transform_index, point_type *attach_point, int rot180)
 {
   int i;
-  point_type target_point;
+  point_type target_point = { 0, 0 };
 
   if (sp->nr_attached == 0) return;
   sp->nr_attached--;
@@ -612,7 +615,7 @@ void detach(polyominoesstruct *sp, int *poly_no, int *point_no, int *transform_i
 static
 int attach(polyominoesstruct *sp, int poly_no, int point_no, int transform_index, point_type attach_point, int rot180,
            int *reason_to_not_attach) {
-  point_type target_point;
+  point_type target_point = { 0, 0 };
   int i;
   int attachable = 1, worst_reason_not_to_attach = 1000000000;
 
@@ -792,7 +795,7 @@ static void create_bitmaps(ModeInfo * mi, polyominoesstruct *sp)
   int x,y,n;
   char *data;
 
-  for (n=0;n<256;n++) {
+  for (n=0;n<countof(sp->bitmaps);n++) {
 
 /* Avoid duplication of identical bitmaps. */
     if (IS_LEFT_UP(n) && (IS_LEFT(n) || IS_UP(n)))
@@ -1031,7 +1034,7 @@ static void free_bitmaps(polyominoesstruct *sp)
 {
   int n;
   
-  for (n=0;n<256;n++)
+  for (n=0;n<countof(sp->bitmaps);n++)
 /* Don't bother to free duplicates */
     if (IS_LEFT_UP(n) && (IS_LEFT(n) || IS_UP(n)))
       sp->bitmaps[n] = None;
@@ -1050,8 +1053,9 @@ static void free_bitmaps(polyominoesstruct *sp)
 
 #define deallocate(p,t) if ((p)!=NULL) {free(p); p=(t*)NULL;}
 
-static void free_polyominoes(polyominoesstruct *sp)
+static void free_polyominoes(ModeInfo * mi)
 {
+  polyominoesstruct *sp = &polyominoeses[MI_SCREEN(mi)];
   int n;
 
   for (n=0;n<sp->nr_polyominoes;n++) {
@@ -1070,7 +1074,7 @@ static void free_polyominoes(polyominoesstruct *sp)
 }
 
 #define set_allocate(p,type,size) p = (type *) malloc(size);		\
-                             if ((p)==NULL) {free_polyominoes(sp);return 0;}
+                             if ((p)==NULL) {free_polyominoes(mi);return 0;}
 
 #define copy_polyomino(dst,src,new_rand)				\
   (dst).len=(src).len;							\
@@ -1501,7 +1505,7 @@ static void make_one_sided_pentomino(void)
   int i,j,t,u;
 
   j=0;
-  for (i=0;i<18;i++) {
+  for (i=0;i<countof(pentomino);i++) {
     one_sided_pentomino[j] = pentomino[i];
     for (t=0;t<8;t++)
       if (one_sided_pentomino[j].transform_list[t]>=4) {
@@ -1523,7 +1527,7 @@ static void make_one_sided_hexomino(void)
   int i,j,t,u;
 
   j=0;
-  for (i=0;i<35;i++) {
+  for (i=0;i<countof(hexomino);i++) {
     one_sided_hexomino[j] = hexomino[i];
     for (t=0;t<8;t++)
       if (one_sided_hexomino[j].transform_list[t]>=4) {
@@ -1544,7 +1548,7 @@ into a rectangle whose size is 20x3, 15x4, 12x5 or 10x6.
 */
 
 static
-int set_pentomino_puzzle(polyominoesstruct *sp)
+int set_pentomino_puzzle(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_poly[12], perm_point[5], perm_transform[8], i, p;
 
@@ -1568,9 +1572,10 @@ int set_pentomino_puzzle(polyominoesstruct *sp)
   }
 
   sp->nr_polyominoes = 12;
-  set_allocate(sp->polyomino,polyomino_type,12*sizeof(polyomino_type));
-  random_permutation(12,perm_poly);
-  for (p=0;p<12;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  random_permutation(sp->nr_polyominoes,perm_poly);
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],pentomino[perm_poly[p]],1);
   }
 
@@ -1590,7 +1595,7 @@ into a rectangle.
 */
 
 static
-int set_one_sided_pentomino_puzzle(polyominoesstruct *sp)
+int set_one_sided_pentomino_puzzle(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_poly[18], perm_point[5], perm_transform[8], i, p;
 
@@ -1616,9 +1621,10 @@ int set_one_sided_pentomino_puzzle(polyominoesstruct *sp)
   }
 
   sp->nr_polyominoes = 18;
-  set_allocate(sp->polyomino,polyomino_type,18*sizeof(polyomino_type));
-  random_permutation(18,perm_poly);
-  for (p=0;p<18;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  random_permutation(sp->nr_polyominoes,perm_poly);
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],one_sided_pentomino[perm_poly[p]],1);
   }
 
@@ -1633,7 +1639,7 @@ into a rectangle.
 */
 
 static
-int set_one_sided_hexomino_puzzle(polyominoesstruct *sp)
+int set_one_sided_hexomino_puzzle(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_poly[60], perm_point[6], perm_transform[8], i, p;
 
@@ -1675,9 +1681,10 @@ int set_one_sided_hexomino_puzzle(polyominoesstruct *sp)
   }
 
   sp->nr_polyominoes = 60;
-  set_allocate(sp->polyomino,polyomino_type,60*sizeof(polyomino_type));
-  random_permutation(60,perm_poly);
-  for (p=0;p<60;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  random_permutation(sp->nr_polyominoes,perm_poly);
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],one_sided_hexomino[perm_poly[p]],1);
   }
 
@@ -1692,7 +1699,7 @@ pentominoes into a rectangle.
 */
 
 static
-int set_tetr_pentomino_puzzle(polyominoesstruct *sp)
+int set_tetr_pentomino_puzzle(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_poly[17], perm_point[5], perm_transform[8], i, p;
 
@@ -1712,12 +1719,13 @@ int set_tetr_pentomino_puzzle(polyominoesstruct *sp)
   }
 
   sp->nr_polyominoes = 17;
-  set_allocate(sp->polyomino,polyomino_type,17*sizeof(polyomino_type));
-  random_permutation(17,perm_poly);
-  for (p=0;p<5;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  random_permutation(sp->nr_polyominoes,perm_poly);
+  for (p=0;p<countof(tetromino);p++) {
     copy_polyomino(sp->polyomino[perm_poly[p]],tetromino[p],1);
   }
-  for (p=0;p<12;p++) {
+  for (p=0;p<countof(pentomino);p++) {
     copy_polyomino(sp->polyomino[perm_poly[p+5]],pentomino[p],1);
   }
 
@@ -1731,7 +1739,7 @@ hexominoes into a rectangle whose size is 18x15.
 */
 
 static
-int set_pent_hexomino_puzzle(polyominoesstruct *sp)
+int set_pent_hexomino_puzzle(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_poly[47], perm_point[6], perm_transform[8], i, p;
 
@@ -1761,10 +1769,10 @@ int set_pent_hexomino_puzzle(polyominoesstruct *sp)
   sp->nr_polyominoes = 47;
   set_allocate(sp->polyomino,polyomino_type,47*sizeof(polyomino_type));
   random_permutation(47,perm_poly);
-  for (p=0;p<12;p++) {
+  for (p=0;p<countof(pentomino);p++) {
     copy_polyomino(sp->polyomino[perm_poly[p]],pentomino[p],1);
   }
-  for (p=0;p<35;p++) {
+  for (p=0;p<countof(hexomino);p++) {
     copy_polyomino(sp->polyomino[perm_poly[p+12]],hexomino[p],1);
   }
 
@@ -1793,7 +1801,7 @@ static struct {int len; point_type point[5];
    8, {0, 1, 2, 3, 4, 5, 6, 7}, 3};
 
 static
-int set_pentomino_puzzle1(polyominoesstruct *sp)
+int set_pentomino_puzzle1(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[5], perm_transform[8], i, p;
 
@@ -1801,8 +1809,9 @@ int set_pentomino_puzzle1(polyominoesstruct *sp)
   sp->height =5;
 
   sp->nr_polyominoes = 10;
-  set_allocate(sp->polyomino,polyomino_type,10*sizeof(polyomino_type));
-  for (p=0;p<10;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],pentomino1,1);
   }
 
@@ -1824,7 +1833,7 @@ static struct {int len; point_type point[6];
    8, {0, 1, 2, 3, 4, 5, 6, 7}, 4};
 
 static
-int set_hexomino_puzzle1(polyominoesstruct *sp)
+int set_hexomino_puzzle1(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[6], perm_transform[8], i, p;
 
@@ -1832,8 +1841,9 @@ int set_hexomino_puzzle1(polyominoesstruct *sp)
   sp->height =23;
 
   sp->nr_polyominoes = 92;
-  set_allocate(sp->polyomino,polyomino_type,92*sizeof(polyomino_type));
-  for (p=0;p<92;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],hexomino1,1);
   }
 
@@ -1857,7 +1867,7 @@ static struct {int len; point_type point[7];
    8, {0, 1, 2, 3, 4, 5, 6, 7}, 4};
 
 static
-int set_heptomino_puzzle1(polyominoesstruct *sp)
+int set_heptomino_puzzle1(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[7], perm_transform[8], i, p;
 
@@ -1867,8 +1877,9 @@ int set_heptomino_puzzle1(polyominoesstruct *sp)
   sp->height =21;
 
   sp->nr_polyominoes = 78;
-  set_allocate(sp->polyomino,polyomino_type,78*sizeof(polyomino_type));
-  for (p=0;p<78;p+=2) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p+=2) {
     copy_polyomino(sp->polyomino[p],heptomino1,1);
     copy_polyomino(sp->polyomino[p+1],heptomino1,0);
   }
@@ -1890,7 +1901,7 @@ by Solomon W. Golomb   Princeton University Press 1994
 
 */
 static
-int set_heptomino_puzzle2(polyominoesstruct *sp)
+int set_heptomino_puzzle2(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[7], perm_transform[8], i, p;
 
@@ -1898,8 +1909,9 @@ int set_heptomino_puzzle2(polyominoesstruct *sp)
   sp->height =19;
 
   sp->nr_polyominoes = 76;
-  set_allocate(sp->polyomino,polyomino_type,76*sizeof(polyomino_type));
-  for (p=0;p<76;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],heptomino1,1);
   }
 
@@ -1924,7 +1936,7 @@ static struct {int len; point_type point[11];
    8, {0, 1, 2, 3, 4, 5, 6, 7}, 6};
 
 static
-int set_elevenomino_puzzle1(polyominoesstruct *sp)
+int set_elevenomino_puzzle1(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[11], perm_transform[8], i, p;
 
@@ -1934,8 +1946,9 @@ int set_elevenomino_puzzle1(polyominoesstruct *sp)
   sp->height =22;
 
   sp->nr_polyominoes = 50;
-  set_allocate(sp->polyomino,polyomino_type,50*sizeof(polyomino_type));
-  for (p=0;p<50;p+=2) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p+=2) {
     copy_polyomino(sp->polyomino[p],elevenomino1,1);
     copy_polyomino(sp->polyomino[p+1],elevenomino1,0);
   }
@@ -1963,7 +1976,7 @@ static struct {int len; point_type point[10];
    8, {0, 1, 2, 3, 4, 5, 6, 7}, 5};
 
 static
-int set_dekomino_puzzle1(polyominoesstruct *sp)
+int set_dekomino_puzzle1(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[10], perm_transform[8], i, p;
 
@@ -1971,8 +1984,9 @@ int set_dekomino_puzzle1(polyominoesstruct *sp)
   sp->height =30;
 
   sp->nr_polyominoes = 96;
-  set_allocate(sp->polyomino,polyomino_type,96*sizeof(polyomino_type));
-  for (p=0;p<96;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],dekomino1,1);
   }
 
@@ -1997,7 +2011,7 @@ static struct {int len; point_type point[10];
    8, {0, 1, 2, 3, 4, 5, 6, 7}, 5};
 
 static
-int set_octomino_puzzle1(polyominoesstruct *sp)
+int set_octomino_puzzle1(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[8], perm_transform[8], i, p;
 
@@ -2005,8 +2019,9 @@ int set_octomino_puzzle1(polyominoesstruct *sp)
   sp->height =26;
 
   sp->nr_polyominoes = 312;
-  set_allocate(sp->polyomino,polyomino_type,312*sizeof(polyomino_type));
-  for (p=0;p<312;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],octomino1,1);
   }
 
@@ -2023,7 +2038,7 @@ int set_octomino_puzzle1(polyominoesstruct *sp)
 */
 
 static
-int set_pentomino_puzzle2(polyominoesstruct *sp)
+int set_pentomino_puzzle2(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[5], perm_transform[8], i, p;
 
@@ -2031,8 +2046,9 @@ int set_pentomino_puzzle2(polyominoesstruct *sp)
   sp->height =15;
 
   sp->nr_polyominoes = 45;
-  set_allocate(sp->polyomino,polyomino_type,45*sizeof(polyomino_type));
-  for (p=0;p<45;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],pentomino1,1);
   }
 
@@ -2050,7 +2066,7 @@ int set_pentomino_puzzle2(polyominoesstruct *sp)
 */
 
 static
-int set_elevenomino_puzzle2(polyominoesstruct *sp)
+int set_elevenomino_puzzle2(ModeInfo * mi, polyominoesstruct *sp)
 {
   int perm_point[11], perm_transform[8], i, p;
 
@@ -2058,8 +2074,9 @@ int set_elevenomino_puzzle2(polyominoesstruct *sp)
   sp->height =33;
 
   sp->nr_polyominoes = 141;
-  set_allocate(sp->polyomino,polyomino_type,141*sizeof(polyomino_type));
-  for (p=0;p<141;p++) {
+  set_allocate(sp->polyomino,polyomino_type,
+               sp->nr_polyominoes*sizeof(polyomino_type));
+  for (p=0;p<sp->nr_polyominoes;p++) {
     copy_polyomino(sp->polyomino[p],elevenomino1,1);
   }
 
@@ -2072,7 +2089,7 @@ int set_elevenomino_puzzle2(polyominoesstruct *sp)
 The main functions.
 **************************************************/
 
-#define allocate(p,type,size) p = (type *) malloc(size); if ((p)==NULL) {free_polyominoes(sp); return;}
+#define allocate(p,type,size) p = (type *) malloc(size); if ((p)==NULL) {free_polyominoes(mi); return;}
 
 ENTRYPOINT void
 init_polyominoes (ModeInfo * mi)
@@ -2082,16 +2099,9 @@ init_polyominoes (ModeInfo * mi)
   int box1, box2;
   int *perm;
 
-  if (polyominoeses == NULL) {
-    if ((polyominoeses
-         = (polyominoesstruct *) calloc(MI_NUM_SCREENS(mi),sizeof (polyominoesstruct))) 
-        == NULL)
-      return;
-  }
+  MI_INIT (mi, polyominoeses, free_polyominoes);
   sp = &polyominoeses[MI_SCREEN(mi)];
 
-  free_polyominoes(sp);
-
   sp->rot180 = 0;
   sp->counter = 0;
 
@@ -2105,62 +2115,62 @@ init_polyominoes (ModeInfo * mi)
   if (sp->identical) {
     switch (NRAND(9)) {
       case 0:
-        if (!set_pentomino_puzzle1(sp))
+        if (!set_pentomino_puzzle1(mi, sp))
           return;
         break;
       case 1:
-        if (!set_hexomino_puzzle1(sp))
+        if (!set_hexomino_puzzle1(mi, sp))
           return;
         break;
       case 2:
-        if (!set_heptomino_puzzle1(sp))
+        if (!set_heptomino_puzzle1(mi, sp))
           return;
         break;
       case 3:
-        if (!set_heptomino_puzzle2(sp))
+        if (!set_heptomino_puzzle2(mi, sp))
           return;
         break;
       case 4:
-        if (!set_elevenomino_puzzle1(sp))
+        if (!set_elevenomino_puzzle1(mi, sp))
           return;
         break;
       case 5:
-        if (!set_dekomino_puzzle1(sp))
+        if (!set_dekomino_puzzle1(mi, sp))
           return;
         break;
       case 6:
-        if (!set_octomino_puzzle1(sp))
+        if (!set_octomino_puzzle1(mi, sp))
           return;
         break;
       case 7:
-        if (!set_pentomino_puzzle2(sp))
+        if (!set_pentomino_puzzle2(mi, sp))
           return;
         break;
       case 8:
-        if (!set_elevenomino_puzzle2(sp))
+        if (!set_elevenomino_puzzle2(mi, sp))
           return;
         break;
     }
   } else {
     switch (NRAND(5)) {
       case 0:
-        if (!set_pentomino_puzzle(sp))
+        if (!set_pentomino_puzzle(mi, sp))
           return;
         break;
       case 1:
-        if (!set_one_sided_pentomino_puzzle(sp))
+        if (!set_one_sided_pentomino_puzzle(mi, sp))
           return;
         break;
       case 2:
-        if (!set_one_sided_hexomino_puzzle(sp))
+        if (!set_one_sided_hexomino_puzzle(mi, sp))
           return;
         break;
       case 3:
-        if (!set_pent_hexomino_puzzle(sp))
+        if (!set_pent_hexomino_puzzle(mi, sp))
           return;
         break;
       case 4:
-        if (!set_tetr_pentomino_puzzle(sp))
+        if (!set_tetr_pentomino_puzzle(mi, sp))
           return;
         break;
     }
@@ -2254,6 +2264,8 @@ draw_polyominoes (ModeInfo * mi)
 #ifdef STANDALONE
     if (sp->eraser) {
       sp->eraser = erase_window (MI_DISPLAY(mi), MI_WINDOW(mi), sp->eraser);
+      if (!sp->eraser)
+        init_polyominoes(mi);
       return;
     }
 #endif
@@ -2262,8 +2274,9 @@ draw_polyominoes (ModeInfo * mi)
     if (++sp->counter > MI_CYCLES(mi)) {
 #ifdef STANDALONE
       sp->eraser = erase_window (MI_DISPLAY(mi), MI_WINDOW(mi), sp->eraser);
-#endif /* STANDALONE */
+#else /* !STANDALONE */
       init_polyominoes(mi);
+#endif /* !STANDALONE */
       return;
     }
   }
@@ -2271,8 +2284,9 @@ draw_polyominoes (ModeInfo * mi)
   if (sp->box == 0) {
 #ifdef STANDALONE
     sp->eraser = erase_window (MI_DISPLAY(mi), MI_WINDOW(mi), sp->eraser);
-#endif /* STANDALONE */
+#else /* !STANDALONE */
     init_polyominoes(mi);
+#endif
     return;
   }
 
@@ -2352,16 +2366,10 @@ draw_polyominoes (ModeInfo * mi)
 }
 
 ENTRYPOINT void
-release_polyominoes(ModeInfo * mi)
+reshape_polyominoes(ModeInfo * mi, int width, int height)
 {
-  int screen;
-  
-  if (polyominoeses != NULL) {
-    for (screen=0;screen<MI_NUM_SCREENS(mi); screen++)
-      free_polyominoes(&polyominoeses[screen]);
-    (void) free((void *) polyominoeses);
-    polyominoeses = (polyominoesstruct *) NULL;
-  }
+  XClearWindow (MI_DISPLAY (mi), MI_WINDOW(mi));
+  init_polyominoes (mi);
 }
 
 ENTRYPOINT void